diff options
| -rw-r--r-- | Makefile | 6 | ||||
| -rw-r--r-- | kernel/trace/Kconfig | 5 |
2 files changed, 10 insertions, 1 deletions
@@ -609,7 +609,11 @@ KBUILD_CFLAGS += $(call cc-option, -femit-struct-debug-baseonly) endif ifdef CONFIG_FUNCTION_TRACER -KBUILD_CFLAGS += -pg +ifdef CONFIG_HAVE_FENTRY +CC_USING_FENTRY := $(call cc-option, -mfentry -DCC_USING_FENTRY) +endif +KBUILD_CFLAGS += -pg $(CC_USING_FENTRY) +KBUILD_AFLAGS += $(CC_USING_FENTRY) ifdef CONFIG_DYNAMIC_FTRACE ifdef CONFIG_HAVE_C_RECORDMCOUNT BUILD_C_RECORDMCOUNT := y diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index 8c4c07071cc..9301a0e35e0 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -49,6 +49,11 @@ config HAVE_SYSCALL_TRACEPOINTS help See Documentation/trace/ftrace-design.txt +config HAVE_FENTRY + bool + help + Arch supports the gcc options -pg with -mfentry + config HAVE_C_RECORDMCOUNT bool help |